PMSG-HCG: Pregnant Mare’s Serum Gonadotropin And Human Chorionic Gonadotropin

What does PMSG-HCG mean? The above is one of PMSG-HCG meanings. It may have other definitions. Please refer to the end of this passage.

Definition in English: Pregnant Mare's Serum Gonadotropin And Human Chorionic Gonadotropin